Sock



FIG. 1 is a front right side perspective view of a first embodiment of a sock in accordance with the new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a rear elevational view thereof.

FIG. 8 is a front right side perspective view of a second embodiment of a sock in accordance with the new design;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a front elevational view thereof; and,

FIG. 14 is a rear elevational view thereof.

The broken lines shown in FIGS. 1-14 are for the purpose of illustrating portions of the sock that form no part of the claimed design. 

CLAIM The ornamental design for a sock, as shown and described. 